mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-09-20 05:52:16 +00:00
c06a3300f6
new: - InstanceVersion: print out the instance version - PhysicalDeviceExtensions: print out the device specific extensions - PhysicalDeviceFeatures: print out the device specific features - PhysicalDeviceGroups: print out the device groups (interesting with SLI) - PhysicalDeviceMemoryProperties: print out the device specific memory properties - PhysicalDeviceQueueFamilyProperties: print out the device specific queue family properties - SurfaceCapabilities: print out the surface specific capabilities - SurfaceFormats: print out the supported surface specific formats improved: - InstanceExtensionProperties: print out the instance extensions alphabetically - InstanceLayerProperties: removed an unused local function - RayTracing: improved fence usage
107 lines
3.8 KiB
C++
107 lines
3.8 KiB
C++
// Copyright(c) 2019, NVIDIA CORPORATION. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// VulkanHpp Samples : PhysicalDeviceMemoryProperties
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// Get memory properties per physical device.
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#include "../utils/utils.hpp"
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#include "vulkan/vulkan.hpp"
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#include <sstream>
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#include <vector>
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static char const* AppName = "PhysicalDeviceMemoryProperties";
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static char const* EngineName = "Vulkan.hpp";
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std::string formatSize(vk::DeviceSize size)
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{
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std::ostringstream oss;
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if (size < 1024)
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{
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oss << size << " B";
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}
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else if (size < 1024 * 1024)
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{
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oss << size / 1024.f << " KB";
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}
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else if (size < 1024 * 1024 * 1024)
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{
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oss << size / (1024.0f * 1024.0f) << " MB";
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}
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else
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{
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oss << size / (1024.0f * 1024.0f * 1024.0f) << " GB";
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}
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return oss.str();
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}
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int main(int /*argc*/, char ** /*argv*/)
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{
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try
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{
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vk::UniqueInstance instance = vk::su::createInstance(AppName, EngineName);
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#if !defined(NDEBUG)
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vk::UniqueDebugUtilsMessengerEXT debugUtilsMessenger = vk::su::createDebugUtilsMessenger(instance);
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#endif
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// enumerate the physicalDevices
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std::vector<vk::PhysicalDevice> physicalDevices = instance->enumeratePhysicalDevices();
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/* VULKAN_KEY_START */
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for (size_t i=0 ; i<physicalDevices.size() ; i++)
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{
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// some properties are only valid, if a corresponding extension is available!
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std::vector<vk::ExtensionProperties> extensionProperties = physicalDevices[i].enumerateDeviceExtensionProperties();
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bool containsMemoryBudget = vk::su::contains(extensionProperties, "VK_EXT_memory_budget");
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std::cout << "PhysicalDevice " << i << "\n";
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auto memoryProperties2 = physicalDevices[i].getMemoryProperties2<vk::PhysicalDeviceMemoryProperties2, vk::PhysicalDeviceMemoryBudgetPropertiesEXT>();
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vk::PhysicalDeviceMemoryProperties const& memoryProperties = memoryProperties2.get<vk::PhysicalDeviceMemoryProperties2>().memoryProperties;
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vk::PhysicalDeviceMemoryBudgetPropertiesEXT const& memoryBudgetProperties = memoryProperties2.get<vk::PhysicalDeviceMemoryBudgetPropertiesEXT>();
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std::cout << "memoryHeapCount: " << memoryProperties.memoryHeapCount << "\n";
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for (uint32_t j = 0; j < memoryProperties.memoryHeapCount; j++)
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{
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std::cout << " " << j << ": size = " << formatSize(memoryProperties.memoryHeaps[j].size) << ", flags = " << vk::to_string(memoryProperties.memoryHeaps[j].flags) << "\n";
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if (containsMemoryBudget)
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{
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std::cout << " heapBudget = " << formatSize(memoryBudgetProperties.heapBudget[j]) << ", heapUsage = " << formatSize(memoryBudgetProperties.heapUsage[j]) << "\n";
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}
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}
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std::cout << "memoryTypeCount: " << memoryProperties.memoryTypeCount << "\n";
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for (uint32_t j = 0; j < memoryProperties.memoryTypeCount; j++)
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{
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std::cout << " " << j << ": heapIndex = " << memoryProperties.memoryTypes[j].heapIndex << ", flags = " << vk::to_string(memoryProperties.memoryTypes[j].propertyFlags) << "\n";
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}
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}
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/* VULKAN_KEY_END */
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}
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catch (vk::SystemError err)
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{
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std::cout << "vk::SystemError: " << err.what() << std::endl;
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exit(-1);
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}
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catch (std::runtime_error err)
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{
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std::cout << "std::runtime_error: " << err.what() << std::endl;
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exit(-1);
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}
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catch (...)
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{
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std::cout << "unknown error\n";
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exit(-1);
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}
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return 0;
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}
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